2.1% is the change from 714 to 729
Calculation steps:
[( 729 - 714 ) ÷ 714] x 100 = 2.1%
Formula
Percentage change = [(729 - 714) / 714] x 100
Subtract the new number by the original number
729 - 714 = 15
15 ÷ 714 = 0.02100840336134454
0.02100840336134454 x 100 = 2.1%